养阴柔肝、化瘀息风法对自发性高血压大鼠血管重塑的影响Effects of the Treatment of Enriching Yin to Emolliate Liver and Resolving Stasis to Extinguish Wind on Vascular Remodeling in Rats with Spontaneously Hypertension
雍苏南,王顺民,张稳,谭元生
摘要(Abstract):
目的观察养阴柔肝、化瘀息风法对自发性高血压大鼠(SHR)的降压作用及其对血清一氧化氮(NO)、胸主动脉中膜厚度(MT)、管腔直径(LD)及MT/LD的影响。方法以12只8周龄Wistar-kyoto(WKY)大鼠为正常组,48只8周龄SHR随机分为4组:模型组(SHR-M)、卡托普利组(SHR-K)、复方七芍降压片低剂量治疗组(SHR-D)、复方七芍降压片高剂量治疗组(SHR-G)。连续灌胃8周,观察血压、血清NO和胸主动脉中膜形态学变化,测定MT、LD,并计算MT/LD。结果与正常组比较,SHR各组血清NO显著降低(P<0.01),MT明显增厚,LD缩小,MT/LD升高(P<0.01);养阴柔肝、化瘀息风法治疗后,SHR各组血压明显下降(P<0.01),血清NO升高(P<0.01),胸主动脉中膜增厚减轻,管腔直径变大(P<0.01),MT/LD降低(P<0.01)。结论养阴柔肝、化瘀息风法能有效降低SHR血压,升高血清NO水平,有效逆转SHR血管重塑。
关键词(KeyWords): 养阴柔肝、化瘀息风法;复方七芍降压片;自发性高血压大鼠;血管重塑;NO
基金项目(Foundation): 国家自然科学基金面上项目(81473616);; 湖南省科技计划项目(2013SK2025);; 湖南省中医药科研计划项目(201403);; 湖南省中药粉体与创新药物研究省部共建国家重点实验室培育基地开放基金项目(ZYFT201407)
作者(Author): 雍苏南,王顺民,张稳,谭元生
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